John Gill Commentary Acts 7:1

"And the high priest said, Are these things so?" — Acts 7:1 (ASV)

Then said the high priest
The Ethiopic version adds, "to him"; that is, to Stephen; for to him he addressed himself: or he "asked him", as the Syriac version renders it; he put the following question to him:

are these things so?
is it true what they say, that you have spoken blasphemous words against the temple, and the law, and have said that Jesus of Nazareth will destroy the one, and change the other? what have you to say for yourself, and in your own defence? this high priest was either Annas, or rather Caiaphas; (See Gill on Acts 4:6).